External risk intelligence

TMT Lockcell flaw lets attackers bypass security and take control

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2023-3050

An external attacker can exploit TMT Lockcell by tampering with login data to bypass security and impersonate authorized users. This allows them to gain unauthorized access to sensitive administrative dashboards and organizational data.

3Halo Surface Signal

Authentication Bypass

Tmtmakine Lockcell Firmware

before 15.0

External exposure likelihood

Halo Surface Signal score for CVE-2023-3050

The vulnerability affects the web interface and administrative dashboard of the TMT Lockcell application. While the software is web-based and accessible via a browser, it is typically used for internal identity or session management. It is not designed as a public-facing edge service, meaning internet exposure is possible in some deployments but is not the standard or required configuration.

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability in TMT Lockcell allows for privilege abuse and authentication bypass by improperly validating security-related cookies. This means an attacker could potentially gain unauthorized access or escalate their privileges within the affected system.

  • Affects systems using Lockcell.
  • Enables unauthorized access.
  • Bypasses authentication controls.

Attack Path

How an attacker could exploit the issue

An attacker can bypass authentication and gain elevated privileges by manipulating unvalidated cookies in the TMT Lockcell's security mechanisms. This allows them to impersonate legitimate users or gain administrative access to the system.

  • Accessible via network.
  • Targets web interface.
  • No authentication required.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability in TMT Lockcell could be attractive to attackers due to its critical severity, allowing for authentication bypass and privilege escalation. However, the limited scope of the affected product, primarily internal identity or session management systems, suggests exploitation might be more targeted rather than widespread.

  • Limited product reach.
  • No reported exploitation.
  • No KEV listing.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize immediate investigation and containment for TMT Lockcell systems, as this critical vulnerability allows unauthenticated remote attackers to bypass security controls. Given the CVSS score and lack of authentication, assume these systems are at high risk and may already be compromised.

  • Isolate affected TMT Lockcell devices.
  • Block network access to vulnerable devices.
  • Monitor for unusual login or access activity.

Frequently asked questions

What is TMT Lockcell and what is it used for?

TMT Lockcell is a product that functions as firmware for managing identity or sessions, often utilized within internal security systems. It is typically accessed through a web interface, making it a component that users interact with via a browser for security-related functions.

How does the CVE-2023-3050 vulnerability work?

CVE-2023-3050 is a 'Reliance on Cookies without Validation and Integrity Checking' weakness. This means that TMT Lockcell improperly checks security information sent via cookies, allowing attackers to bypass authentication and abuse privileges by manipulating these cookies.

What conditions are needed for an attacker to exploit CVE-2023-3050?

An attacker needs network access to the affected TMT Lockcell system. The vulnerability can be triggered without any special user interaction or prior authentication, as the weakness lies in how the system handles security decisions based on cookies.

Who should be concerned about the TMT Lockcell vulnerability?

Organizations using TMT Lockcell should be concerned, especially if these systems have any internet-facing access, even if primarily intended for internal use. The Halo Surface Signal indicates a 'Possible' exposure, meaning it could be accessed from outside the internal network.

What is the first step to address the TMT Lockcell vulnerability?

The immediate first step is to investigate all TMT Lockcell systems within your environment. Given the critical nature of the vulnerability, which allows for bypassing security without authentication, assume these systems are at high risk.

References